Rate of FLAIR signal evolution depends on depth of ischemia and time: predicting ischemia age

1
Radiology and BRIC, University of North
Carolina at Chapel Hill, Chapel Hill, North Carolina,
United States,
2
Neurology,
Washington University in St. Louis, St. Louis, MO,
United States,
3
Radiology,
Washington University in St. Louis, St. Louis, MO,
United States,
4
Neurology,
University of North Carolina at Chapel Hill, Chapel
Hill, North Carolina, United States

Rates of FLAIR change depends on both time from stroke
onset and depth of ischemia. Lesion age prediction is
more reliable in moderate to severe ischemia. The median
absolute prediction error on ischemia age is ~1hour
across all patient using a generalized linear model.

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